Theoretical: Physics (2)

Diffraction

Physical constants

  • Avogadro's number: NA= 6.0221x1023 molecules/mole
  • Boltzmann's constant: k = 1.3807 x 10-23 J/K = 8.62x10-5 eV/K;
  • Electronic charge: q = 1.6022x10-19 C;
  • Electron rest mass: m0 = 9.1094 x 10-31 kg; 
  • Planck's constant: h=6.6261 x 10-34 Js;
  • Speed of light: c=2.9979x1010 cm/s;
  • Magnetic permeability of free space: μ0=1.2566x10-6 NA-2;
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